Houston's Social Calendar for the week of Nov. 17

💪 Relax and restore your body with gentle exercises at Market Square Park tonight.

• Free. 7pm.

🎮 Throw it back with a Halo 3 Slayer tournament at Neil's Bahr tomorrow.

• Free registration at 7pm, with cash prizes for first and second place. Tournament starts at 8pm.

🧘 Head to Axelrad for a late night yoga class tomorrow.

• 8pm. Tickets are donation-based.

🛍️ Shop for unique items at the River Oaks Mercantile Market on Wednesday.

• Free. 4-8pm.

🐘 Stroll through the Houston Zoo for its special 21+ Sip & Sparkle night Thursday.

• Admission starts at $49. 6:30-10pm.